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Diffstat (limited to 'chromium/third_party/fontconfig/src/fc-cache/fc-cache.c')
-rw-r--r--chromium/third_party/fontconfig/src/fc-cache/fc-cache.c406
1 files changed, 406 insertions, 0 deletions
diff --git a/chromium/third_party/fontconfig/src/fc-cache/fc-cache.c b/chromium/third_party/fontconfig/src/fc-cache/fc-cache.c
new file mode 100644
index 00000000000..af7ba6dd6a9
--- /dev/null
+++ b/chromium/third_party/fontconfig/src/fc-cache/fc-cache.c
@@ -0,0 +1,406 @@
+/*
+ * fontconfig/fc-cache/fc-cache.c
+ *
+ * Copyright © 2002 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. The authors make no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#else
+#ifdef linux
+#define HAVE_GETOPT_LONG 1
+#endif
+#define HAVE_GETOPT 1
+#endif
+
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <string.h>
+
+#if defined (_WIN32)
+#define STRICT
+#include <windows.h>
+#define sleep(x) Sleep((x) * 1000)
+#undef STRICT
+#endif
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#ifndef HAVE_GETOPT
+#define HAVE_GETOPT 0
+#endif
+#ifndef HAVE_GETOPT_LONG
+#define HAVE_GETOPT_LONG 0
+#endif
+
+#if HAVE_GETOPT_LONG
+#undef _GNU_SOURCE
+#define _GNU_SOURCE
+#include <getopt.h>
+const struct option longopts[] = {
+ {"force", 0, 0, 'f'},
+ {"really-force", 0, 0, 'r'},
+ {"sysroot", 0, 0, 'y'},
+ {"system-only", 0, 0, 's'},
+ {"version", 0, 0, 'V'},
+ {"verbose", 0, 0, 'v'},
+ {"help", 0, 0, 'h'},
+ {NULL,0,0,0},
+};
+#else
+#if HAVE_GETOPT
+extern char *optarg;
+extern int optind, opterr, optopt;
+#endif
+#endif
+
+static void
+usage (char *program, int error)
+{
+ FILE *file = error ? stderr : stdout;
+#if HAVE_GETOPT_LONG
+ fprintf (file, "usage: %s [-frsvVh] [-y SYSROOT] [--force|--really-force] [--sysroot=SYSROOT] [--system-only] [--verbose] [--version] [--help] [dirs]\n",
+ program);
+#else
+ fprintf (file, "usage: %s [-frsvVh] [-y SYSROOT] [dirs]\n",
+ program);
+#endif
+ fprintf (file, "Build font information caches in [dirs]\n"
+ "(all directories in font configuration by default).\n");
+ fprintf (file, "\n");
+#if HAVE_GETOPT_LONG
+ fprintf (file, " -f, --force scan directories with apparently valid caches\n");
+ fprintf (file, " -r, --really-force erase all existing caches, then rescan\n");
+ fprintf (file, " -s, --system-only scan system-wide directories only\n");
+ fprintf (file, " -y, --sysroot=SYSROOT prepend SYSROOT to all paths for scanning\n");
+ fprintf (file, " -v, --verbose display status information while busy\n");
+ fprintf (file, " -V, --version display font config version and exit\n");
+ fprintf (file, " -h, --help display this help and exit\n");
+#else
+ fprintf (file, " -f (force) scan directories with apparently valid caches\n");
+ fprintf (file, " -r, (really force) erase all existing caches, then rescan\n");
+ fprintf (file, " -s (system) scan system-wide directories only\n");
+ fprintf (file, " -y SYSROOT (sysroot) prepend SYSROOT to all paths for scanning\n");
+ fprintf (file, " -v (verbose) display status information while busy\n");
+ fprintf (file, " -V (version) display font config version and exit\n");
+ fprintf (file, " -h (help) display this help and exit\n");
+#endif
+ exit (error);
+}
+
+static FcStrSet *processed_dirs;
+
+static int
+scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose, FcBool recursive, int *changed)
+{
+ int ret = 0;
+ const FcChar8 *dir;
+ FcStrSet *subdirs;
+ FcStrList *sublist;
+ FcCache *cache;
+ struct stat statb;
+ FcBool was_valid;
+ int i;
+
+ /*
+ * Now scan all of the directories into separate databases
+ * and write out the results
+ */
+ while ((dir = FcStrListNext (list)))
+ {
+ if (verbose)
+ {
+ printf ("%s: ", dir);
+ fflush (stdout);
+ }
+
+ if (recursive && FcStrSetMember (processed_dirs, dir))
+ {
+ if (verbose)
+ printf ("skipping, looped directory detected\n");
+ continue;
+ }
+
+ if (stat ((char *) dir, &statb) == -1)
+ {
+ switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ if (verbose)
+ printf ("skipping, no such directory\n");
+ break;
+ default:
+ fprintf (stderr, "\"%s\": ", dir);
+ perror ("");
+ ret++;
+ break;
+ }
+ continue;
+ }
+
+ if (!S_ISDIR (statb.st_mode))
+ {
+ fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
+ continue;
+ }
+
+ if (really_force)
+ FcDirCacheUnlink (dir, config);
+
+ cache = NULL;
+ was_valid = FcFalse;
+ if (!force) {
+ cache = FcDirCacheLoad (dir, config, NULL);
+ if (cache)
+ was_valid = FcTrue;
+ }
+
+ if (!cache)
+ {
+ (*changed)++;
+ cache = FcDirCacheRead (dir, FcTrue, config);
+ if (!cache)
+ {
+ fprintf (stderr, "%s: error scanning\n", dir);
+ ret++;
+ continue;
+ }
+ }
+
+ if (was_valid)
+ {
+ if (verbose)
+ printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
+ FcCacheNumFont (cache), FcCacheNumSubdir (cache));
+ }
+ else
+ {
+ if (verbose)
+ printf ("caching, new cache contents: %d fonts, %d dirs\n",
+ FcCacheNumFont (cache), FcCacheNumSubdir (cache));
+
+ if (!FcDirCacheValid (dir))
+ {
+ fprintf (stderr, "%s: failed to write cache\n", dir);
+ (void) FcDirCacheUnlink (dir, config);
+ ret++;
+ }
+ }
+
+ if (recursive)
+ {
+ subdirs = FcStrSetCreate ();
+ if (!subdirs)
+ {
+ fprintf (stderr, "%s: Can't create subdir set\n", dir);
+ ret++;
+ FcDirCacheUnload (cache);
+ continue;
+ }
+ for (i = 0; i < FcCacheNumSubdir (cache); i++)
+ FcStrSetAdd (subdirs, FcCacheSubdir (cache, i));
+
+ FcDirCacheUnload (cache);
+
+ sublist = FcStrListCreate (subdirs);
+ FcStrSetDestroy (subdirs);
+ if (!sublist)
+ {
+ fprintf (stderr, "%s: Can't create subdir list\n", dir);
+ ret++;
+ continue;
+ }
+ FcStrSetAdd (processed_dirs, dir);
+ ret += scanDirs (sublist, config, force, really_force, verbose, recursive, changed);
+ FcStrListDone (sublist);
+ }
+ else
+ FcDirCacheUnload (cache);
+ }
+ return ret;
+}
+
+static FcBool
+cleanCacheDirectories (FcConfig *config, FcBool verbose)
+{
+ FcStrList *cache_dirs = FcConfigGetCacheDirs (config);
+ FcChar8 *cache_dir;
+ FcBool ret = FcTrue;
+
+ if (!cache_dirs)
+ return FcFalse;
+ while ((cache_dir = FcStrListNext (cache_dirs)))
+ {
+ if (!FcDirCacheClean (cache_dir, verbose))
+ {
+ ret = FcFalse;
+ break;
+ }
+ }
+ FcStrListDone (cache_dirs);
+ return ret;
+}
+
+int
+main (int argc, char **argv)
+{
+ FcStrSet *dirs;
+ FcStrList *list;
+ FcBool verbose = FcFalse;
+ FcBool force = FcFalse;
+ FcBool really_force = FcFalse;
+ FcBool systemOnly = FcFalse;
+ FcConfig *config;
+ FcChar8 *sysroot = NULL;
+ int i;
+ int changed;
+ int ret;
+#if HAVE_GETOPT_LONG || HAVE_GETOPT
+ int c;
+
+#if HAVE_GETOPT_LONG
+ while ((c = getopt_long (argc, argv, "frsy:Vvh", longopts, NULL)) != -1)
+#else
+ while ((c = getopt (argc, argv, "frsy:Vvh")) != -1)
+#endif
+ {
+ switch (c) {
+ case 'r':
+ really_force = FcTrue;
+ /* fall through */
+ case 'f':
+ force = FcTrue;
+ break;
+ case 's':
+ systemOnly = FcTrue;
+ break;
+ case 'y':
+ sysroot = FcStrCopy ((const FcChar8 *)optarg);
+ break;
+ case 'V':
+ fprintf (stderr, "fontconfig version %d.%d.%d\n",
+ FC_MAJOR, FC_MINOR, FC_REVISION);
+ exit (0);
+ case 'v':
+ verbose = FcTrue;
+ break;
+ case 'h':
+ usage (argv[0], 0);
+ default:
+ usage (argv[0], 1);
+ }
+ }
+ i = optind;
+#else
+ i = 1;
+#endif
+
+ if (systemOnly)
+ FcConfigEnableHome (FcFalse);
+ if (sysroot)
+ {
+ FcConfigSetSysRoot (NULL, sysroot);
+ FcStrFree (sysroot);
+ config = FcConfigGetCurrent();
+ }
+ else
+ {
+ config = FcInitLoadConfig ();
+ }
+ if (!config)
+ {
+ fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
+ return 1;
+ }
+ FcConfigSetCurrent (config);
+
+ if (argv[i])
+ {
+ dirs = FcStrSetCreate ();
+ if (!dirs)
+ {
+ fprintf (stderr, "%s: Can't create list of directories\n",
+ argv[0]);
+ return 1;
+ }
+ while (argv[i])
+ {
+ if (!FcStrSetAddFilename (dirs, (FcChar8 *) argv[i]))
+ {
+ fprintf (stderr, "%s: Can't add directory\n", argv[0]);
+ return 1;
+ }
+ i++;
+ }
+ list = FcStrListCreate (dirs);
+ FcStrSetDestroy (dirs);
+ }
+ else
+ list = FcConfigGetConfigDirs (config);
+
+ if ((processed_dirs = FcStrSetCreate()) == NULL) {
+ fprintf(stderr, "Cannot malloc\n");
+ return 1;
+ }
+
+ changed = 0;
+ ret = scanDirs (list, config, force, really_force, verbose, FcTrue, &changed);
+ /* Update the directory cache again to avoid the race condition as much as possible */
+ FcStrListFirst (list);
+ ret += scanDirs (list, config, FcTrue, really_force, verbose, FcFalse, &changed);
+ FcStrListDone (list);
+
+ /*
+ * Try to create CACHEDIR.TAG anyway.
+ * This expects the fontconfig cache directory already exists.
+ * If it doesn't, it won't be simply created.
+ */
+ FcCacheCreateTagFile (config);
+
+ FcStrSetDestroy (processed_dirs);
+
+ cleanCacheDirectories (config, verbose);
+
+ FcConfigDestroy (config);
+ FcFini ();
+ /*
+ * Now we need to sleep a second (or two, to be extra sure), to make
+ * sure that timestamps for changes after this run of fc-cache are later
+ * then any timestamps we wrote. We don't use gettimeofday() because
+ * sleep(3) can't be interrupted by a signal here -- this isn't in the
+ * library, and there aren't any signals flying around here.
+ */
+ /* the resolution of mtime on FAT is 2 seconds */
+ if (changed)
+ sleep (2);
+ if (verbose)
+ printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded");
+ return ret;
+}
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